#banner {
  width: 100%;
  height: 770px;
}
#banner .image {
  width: 100%;
  height: 770px;
}
#banner .pagination {
  position: absolute;
  z-index: 20;
  bottom: 10px;
  width: 100%;
  text-align: center;
}
#banner .swiper-pagination-switch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 8px;
  background: #cccac1;
  margin: 0 5px;
  cursor: pointer;
}
#banner .swiper-active-switch {
  padding: 0 6px;
  background: #999891;
}
#silvertrack_box {
  height: 70px;
  line-height: 70px;
  background-color: #f5f5f5;
  display: flex;
  justify-content: center;
}
#silvertrack_box .content {
  margin: 0 80px;
  width: 1200px;
  height: 70px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
#silvertrack_box .title {
  margin-right: 20px;
  font-size: 18px;
  color: #bb1b23;
}
#silvertrack_box .silvertrack {
  flex: 1;
  height: 70px;
  overflow: hidden;
}
.module {
  box-sizing: border-box;
  padding: 120px 0;
  min-height: 500px;
}
.module h2 {
  font-size: 34px;
  text-align: center;
  color: #374253;
}
.module .subtitle {
  margin-top: 10px;
  font-size: 16px;
  text-align: center;
  color: #777777;
}
#brief {
  height: 868px;
  position: relative;
}
#brief h2 {
  text-align: left;
  color: #fff;
}
#brief .image {
  width: 46%;
  min-width: 458px;
  height: 500px;
  overflow: hidden;
  position: absolute;
  left: 0;
  top: 120px;
  z-index: 1;
}
#brief .content {
  box-sizing: border-box;
  padding: 60px 400px 60px 200px;
  width: 1176px;
  background-color: #bc1b24;
  color: #fff;
  transform: translateX(-200px);
  position: absolute;
  left: 40%;
  bottom: 120px;
}
#brief .content h2 {
  font-size: 34px;
}
#brief .content .txt {
  margin-top: 40px;
  font-size: 16px;
}
#brief .content .more {
  display: block;
  margin-top: 40px;
  width: 126px;
  height: 36px;
  line-height: 36px;
  border: 1px solid #fff;
  border-radius: 4px;
  text-align: center;
  color: #fff;
}
#course {
  background-color: #f5f5f5;
  overflow: hidden;
}
#course .content {
  margin: 0 auto;
  width: 1200px;
  overflow: hidden;
  display: flex;
}
#course .left {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-flow: row wrap;
}
#course .left .cell {
  display: block;
  margin: 0 20px 20px 0;
  width: 470px;
  height: 250px;
  border-radius: 6px;
  position: relative;
}
#course .left .txt {
  box-sizing: border-box;
  padding: 0 20px;
  width: 100%;
  font-size: 20px;
  line-height: 2;
  color: #fff;
  position: absolute;
  left: 180px;
  bottom: 100px;
}
#course .right {
  width: 216px;
}
#course .right .cell {
  display: block;
  margin-bottom: 20px;
  width: 100%;
  height: 250px;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
}
#course .right p {
  font-size: 20px;
  color: #fff;
}
#course .right .bg_red {
  background-color: #c31c25;
}
#course .right .bg_blue {
  background-color: #2b99f6;
}
#course_system .content {
  margin: auto;
  width: 1200px;
}
#course_system ul {
  overflow: hidden;
  display: flex;
  flex-flow: row wrap;
}
#course_system ul li {
  box-sizing: border-box;
  margin-top: 80px;
  padding: 0 70px;
  width: 33.33333%;
  text-align: center;
}
#course_system ul li .img {
  margin: auto;
  width: 150px;
  height: 150px;
  border: 1px solid #bc1b24;
  border-radius: 50%;
  transition: all 0.35s;
}
#course_system ul li .img .red {
  display: block;
}
#course_system ul li .img .white {
  display: none;
}
#course_system ul li .img:hover {
  background-color: #bc1b24;
}
#course_system ul li .img:hover .red {
  display: none;
}
#course_system ul li .img:hover .white {
  display: block;
}
#course_system ul li h3 {
  margin: 20px 0 16px;
  font-size: 20px;
  color: #374253;
}
#course_system ul li .txt {
  font-size: 18px;
  color: #6e7f99;
}
#search_course {
  background-color: #f5f5f5;
}
#search_course .content {
  margin: auto;
  width: 1200px;
}
#search_course .content_box {
  margin-top: 90px;
  display: flex;
}
#search_course .content_box .left {
  flex: 1;
  overflow: hidden;
}
#search_course .content_box .left .tab {
  height: 60px;
  border-bottom: 1px solid #dddddd;
  display: flex;
  align-items: center;
}
#search_course .content_box .left .tab_item {
  margin-right: 34px;
  height: 60px;
  line-height: 60px;
  font-size: 18px;
  color: #6d7d96;
  position: relative;
  cursor: pointer;
}
#search_course .content_box .left .tab_item.on {
  font-size: 22px;
  color: #bc1b24;
}
#search_course .content_box .left .tab_item.on::after {
  content: "";
  width: 46px;
  height: 0;
  border-bottom: 5px solid #bc1b24;
  border-radius: 3px;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  margin: auto;
}
#search_course .content_box .left .list {
  overflow: hidden;
  display: flex;
  flex-flow: row wrap;
}
#search_course .content_box .left .cell {
  margin: 30px 30px 0 0;
  width: 256px;
  overflow: hidden;
}
#search_course .content_box .left .cell .image {
  width: 256px;
  height: 176px;
  border-radius: 6px;
}
#search_course .content_box .left .cell .image img {
  transition: all 0.35s;
}
#search_course .content_box .left .cell .image:hover img {
  transform: scale(1.1);
}
#search_course .content_box .left .cell .txt {
  font-size: 18px;
  line-height: 1.8;
  color: #374253;
  overflow: hidden;
}
#search_course .content_box .left .cell .flex {
  justify-content: space-between;
  color: #bc1b24;
}
#search_course .content_box .right {
  margin-left: 18px;
  width: 322px;
  border: 1px solid #dddddd;
}
#search_course .content_box .right .header {
  margin: 0 14px;
  height: 60px;
  border-bottom: 1px solid #dddddd;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#search_course .content_box .right .header .flex {
  font-size: 20px;
  color: #374253;
  display: flex;
  align-items: center;
}
#search_course .content_box .right .header .flex span {
  margin-left: 10px;
}
#search_course .content_box .right .header .more {
  font-size: 14px;
  color: #9aa6b8;
}
#search_course .content_box .right ul {
  padding-top: 20px;
}
#search_course .content_box .right ul li {
  padding: 0 16px;
  display: flex;
}
#search_course .content_box .right ul .tips {
  margin-right: 12px;
  height: 30px;
  line-height: 30px;
  color: #42536d;
}
#search_course .content_box .right ul .box {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-flow: row wrap;
}
#search_course .content_box .right ul .box span {
  margin: 0 10px 10px 0;
  padding: 0 10px;
  height: 30px;
  line-height: 30px;
  border-radius: 15px;
  color: #6d7d96;
  cursor: pointer;
}
#search_course .content_box .right ul .box span.on {
  background-color: #bc1b24;
  color: #fff;
}
#search_course .content_box .right .btns {
  margin: 40px 0 20px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
}
#search_course .content_box .right .btns span {
  width: 134px;
  height: 40px;
  line-height: 40px;
  border-radius: 4px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  cursor: pointer;
}
#search_course .content_box .right .btns span.bg_blue {
  background: linear-gradient(to right, #248af2, #3bb8fe);
}
#search_course .content_box .right .btns span.bg_red {
  background: linear-gradient(to right, #f4222d, #bd1b24);
}
#teaching_model {
  overflow: hidden;
  position: relative;
  z-index: 0;
}
#teaching_model .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
}
#teaching_model .content {
  margin: auto;
  width: 1200px;
}
#teaching_model h2 {
  color: #fff;
}
#teaching_model ul {
  margin-top: 90px;
  overflow: hidden;
  position: relative;
}
#teaching_model ul li {
  box-sizing: border-box;
  padding: 0 34px 40px 34px;
  width: 614px;
  background-color: #fff;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  overflow: hidden;
}
#teaching_model ul li.left {
  margin-top: 150px;
}
#teaching_model ul li.right {
  position: absolute;
  right: 0;
  top: 0;
}
#teaching_model ul h3 {
  margin-top: 20px;
  height: 60px;
  line-height: 60px;
  font-size: 24px;
  color: #374253;
  position: relative;
}
#teaching_model ul h3::after {
  content: "";
  width: 36px;
  height: 0;
  border-bottom: 4px solid #bc1b24;
  position: absolute;
  left: 0;
  bottom: 0;
}
#teaching_model ul .txt {
  margin-top: 10px;
  font-size: 18px;
  color: #525f72;
}
#news {
  background-color: #f5f5f5;
}
#news .content {
  margin: auto;
  width: 1200px;
}
#news .tab {
  margin-top: 44px;
  padding: 20px 0;
  height: 40px;
  border-bottom: 1px solid #dddddd;
  overflow: hidden;
}
#news .tab .tab_item {
  padding: 0 18px;
  height: 40px;
  line-height: 40px;
  border-radius: 20px;
  font-size: 18px;
  color: #6d7d96;
  cursor: pointer;
  float: left;
}
#news .tab .tab_item.on {
  background-color: #bc1b24;
  font-size: 20px;
  color: #fff;
}
#news .tab .more {
  height: 40px;
  line-height: 40px;
  font-size: 14px;
  color: #6d7d96;
  float: right;
}
#news .tab .more:hover {
  text-decoration: underline;
}
#news .list {
  margin-top: 30px;
  overflow: hidden;
  display: flex;
  flex-flow: row wrap;
  justify-content: space-between;
}
#news .list .cell {
  margin-bottom: 30px;
  width: 370px;
  background-color: #fff;
  overflow: hidden;
}
#news .list .cell:hover {
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
#news .list .cell:hover .image img {
  transform: scale(1.1);
}
#news .list .cell:hover .txt {
  height: 66px;
  line-height: 66px;
  border-bottom: 10px solid #bc1b24;
}
#news .list .cell .image {
  width: 100%;
  height: 250px;
}
#news .list .cell .image img {
  transition: all 0.35s;
}
#news .list .cell .txt {
  padding: 0 14px;
  height: 78px;
  line-height: 78px;
  font-size: 20px;
  color: #374253;
  transition: all 0.35s;
}
#news .list .line {
  width: 370px;
  font-size: 18px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
#news .list .line:hover {
  text-decoration: underline;
}
#news .list .line .time {
  margin-right: 10px;
  color: #7387a5;
}
#news .list .line .txt {
  flex: 1;
  color: #374253;
  overflow: hidden;
}
#statistical_data {
  position: relative;
  z-index: 0;
}
#statistical_data .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
}
#statistical_data .content {
  box-sizing: border-box;
  margin: auto;
  padding: 50px 0;
  width: 1200px;
  height: 100%;
  text-align: center;
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
}
#statistical_data .content li {
  width: 33.33333%;
}
#statistical_data .content .data {
  font-size: 26px;
}
#statistical_data .content .num {
  font-size: 56px;
}
#statistical_data .content .txt {
  font-size: 20px;
  color: #374253;
}
#server {
  background-color: #bc1b24;
  position: relative;
  z-index: 0;
}
#server .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
}
#server .content {
  margin: auto;
  width: 1200px;
}
#server h2 {
  color: #fff;
}
#server ul {
  margin-top: 90px;
  display: flex;
  justify-content: space-between;
}
#server ul li {
  box-sizing: border-box;
  padding: 0 40px;
  width: 280px;
  height: 344px;
  border-radius: 10px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
}
#server ul li:hover {
  background-color: #fff;
  color: #000;
}
#server ul li:hover .image .red {
  display: block;
}
#server ul li:hover .image .white {
  display: none;
}
#server ul li .image {
  margin: 0 auto;
  width: 82px;
  height: 82px;
}
#server ul li .image .red {
  display: none;
}
#server ul li .image .white {
  display: block;
}
#server ul li h3 {
  margin-top: 20px;
  font-size: 20px;
}
#server ul li .txt {
  margin-top: 10px;
  font-size: 14px;
}
#institutions .swiper_box {
  margin: 70px auto 0;
  width: 1200px;
  overflow: hidden;
  position: relative;
}
#institutions .btn_left {
  width: 30px;
  height: 30px;
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  margin: auto;
  cursor: pointer;
}
#institutions .btn_right {
  width: 30px;
  height: 30px;
  position: absolute;
  right: 40px;
  top: 0;
  bottom: 0;
  margin: auto;
  cursor: pointer;
}
#institutions #institutions_list {
  width: 1000px;
  height: 124px;
  text-align: center;
}
#institutions #institutions_list .img {
  width: 200px;
  height: 100px;
}
#ribbon {
  height: 154px;
  background-color: #f3f3f3;
}
#ribbon ul {
  margin: auto;
  width: 1100px;
  display: flex;
}
#ribbon ul li {
  flex: 1;
  height: 154px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
#ribbon ul li img {
  margin-right: 24px;
}
#ribbon ul li .info {
  overflow: hidden;
}
#ribbon ul li .title {
  font-size: 20px;
  color: #374253;
}
#ribbon ul li .txt {
  color: #374253;
}
@media screen and (max-width: 1440px) {
  #banner {
    height: 577px;
  }
  #banner .image {
    width: 100%;
    height: 577px;
  }
  .module {
    padding: 100px 0;
  }
  #brief {
    height: 740px;
  }
  #brief .image {
    height: 375px;
    top: 100px;
  }
  #brief .content {
    padding: 50px 400px 50px 125px;
    width: 1104px;
    bottom: 100px;
  }
  #brief .content .txt {
    margin-top: 30px;
  }
  #brief .content .more {
    margin-top: 30px;
  }
  #course .content {
    width: 1000px;
  }
  #course .left .cell {
    margin: 0 20px 20px 0;
    width: 380px;
    height: 220px;
  }
  #course .right {
    width: 200px;
  }
  #course .right .cell {
    margin-bottom: 20px;
    height: 220px;
  }
  #course_system .content {
    width: 1000px;
  }
  #course_system ul li {
    padding: 0 44px;
  }
  #course_system ul li .img {
    width: 100px;
    height: 100px;
  }
  #course_system ul li .img img {
    max-width: 80%;
    max-height: 80%;
  }
  #search_course .content {
    width: 1000px;
  }
  #search_course .content_box {
    margin-top: 80px;
  }
  #search_course .content_box .left .cell {
    margin: 20px 20px 0 0;
    width: 199px;
  }
  #search_course .content_box .left .cell .image {
    width: 199px;
    height: 137px;
  }
  #search_course .content_box .left .cell .txt {
    font-size: 16px;
    line-height: 2;
  }
  #search_course .content_box .left .cell .flex {
    font-size: 12px;
  }
  #search_course .content_box .right {
    font-size: 13px;
  }
  #search_course .content_box .right ul .box span {
    margin: 0 8px 8px 0;
  }
  #search_course .content_box .right .btns {
    margin-top: 30px;
  }
  #teaching_model .content {
    width: 1000px;
  }
  #teaching_model ul li {
    padding: 0 28px 24px 28px;
    width: 510px;
  }
  #teaching_model ul li.left {
    margin-top: 120px;
  }
  #teaching_model ul h3 {
    margin-top: 14px;
    height: 50px;
    line-height: 50px;
    font-size: 20px;
  }
  #teaching_model ul .txt {
    font-size: 16px;
  }
  #news .content {
    width: 1000px;
  }
  #news .list .cell {
    width: 310px;
  }
  #news .list .cell .image {
    height: 210px;
  }
  #news .list .line {
    width: 310px;
  }
  #server .content {
    width: 1000px;
  }
  #server ul li {
    padding: 0 30px;
    height: 300px;
  }
}
